package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.DishDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.DishFlavor;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishFlavorService;
import com.itheima.reggie.service.DishService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@RestController
@RequestMapping("/dish")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private DishFlavorService dishFlavorService;
    @Autowired
    private CategoryService categoryService;

    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto) {
        log.info(dishDto.toString());
        dishService.updateWithFlavor(dishDto);
        return R.success("新增菜品成功");
    }

    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name) {
        Page<Dish> pageInfo = new Page<>(page, pageSize);
        Page<DishDto> dishDtoPage = new Page<>();

        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.like(name != null, Dish::getName, name);
        queryWrapper.orderByDesc(Dish::getUpdateTime);
        dishService.page(pageInfo, queryWrapper);
        BeanUtils.copyProperties(pageInfo, dishDtoPage, "records");
        List<Dish> records = pageInfo.getRecords();
        List<DishDto> list = records.stream().map((item) -> {
            DishDto dishDto = new DishDto();
            BeanUtils.copyProperties(item,dishDto);

            Long categoryId = item.getCategoryId();
            Category category = categoryService.getById(categoryId);
            if (categoryId != null) {
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }
            return dishDto;
        }).collect(Collectors.toList());
        dishDtoPage.setRecords(list);
        return R.success(dishDtoPage);
    }
    @GetMapping("/{id}")
public R<DishDto>get(@PathVariable Long id){
        DishDto dishDto= dishService.getByIdWithFlavor(id);
        return R.success(dishDto);
}
/*@GetMapping("/list")
public R<List<Dish>>list(Dish dish){
        LambdaQueryWrapper<Dish> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());

        queryWrapper.eq(Dish::getStatus,1);
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
        List<Dish> list=dishService.list(queryWrapper);
return R.success(list);
}
*/
@GetMapping("/list")
public R<List<DishDto>> list(Dish dish){
    // 构造条件
    LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper();

    queryWrapper.eq(dish.getCategoryId()!=null, Dish::getCategoryId, dish.getCategoryId());
    queryWrapper.eq(Dish::getStatus, 1);
    // 添加排序条件
    queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
    List<Dish> dishList = dishService.list(queryWrapper);

    List<DishDto> dishDtoList = dishList.stream().map((item)->{
        DishDto dishDto = new DishDto();
        BeanUtils.copyProperties(item,dishDto);
        // 获取categoryId
        Long categoryId = item.getCategoryId();
        // 给categoryName赋值
        Category category = categoryService.getById(categoryId);
        if(category!=null){
            dishDto.setCategoryName(category.getName());
        }
        // 当前菜品ID
        Long dishId = item.getId();
        LambdaQueryWrapper<DishFlavor> dishFlavorQueryWrapper= new LambdaQueryWrapper<>();
        dishFlavorQueryWrapper.eq(DishFlavor::getDishId,dishId);
        List<DishFlavor> dishFlavorList =dishFlavorService.list(dishFlavorQueryWrapper);
        dishDto.setFlavors(dishFlavorList);
        return dishDto;
    }).collect(Collectors.toList());
    return R.success(dishDtoList);
}
}
